Falconer Lindsey Benger, of The Hawk Pros, releases Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, releases Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, works with Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, arrives with Danny, a Harris hawk, at the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, releases Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, releases Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, releases Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, releases Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, walks up and down the stairs with Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, walks up and down the stairs with Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, walks up and down the stairs with Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, walks up and down the stairs with Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, walks up and down the stairs with Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, walks up and down the stairs with Danny, a Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, trains Spencer, a four-month-old Harris hawk, outside the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountains. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, gets Riley, a Harris hawk, and her dog Malia, a Brittnay Spaniel, ready for bird patrol at the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)

Falconer Lindsey Benger, of The Hawk Pros, has Riley, a Harris hawk, and her dog Malia, a Brittnay Spaniel, on bird patrol at the U.S. Bank Tower in downtown Los Angeles on Wednesday, Sept. 13, 2017. The Hawk Pros are hired to keep pigeons away from their building and fountain. (Photo by Sarah Reingewirtz, Pasadena Star-News/SCNG)